Understanding CVE-2026-23189 and Its Impact on Server Security The recent disclosure of CVE-2026-23189 highlights a critical vulnerability within the Linux kernel. Named a NULL pointer dereference in ceph_mds_auth_match(), this vulnerability poses potential risks to server security, particularly for Linux server operators and hosting providers. What is CVE-2026-23189? CVE-2026-23189 affects the CephFS kernel client, starting from […]













